marlie hall for cbs news, newtown, connecticut. >> the n -- the nra will hold a major news conference on friday. president obama will actively support a bill to reinstate the assault weapons ban that expired in 2004 and at 7 a.m., california senator barbara boxer is holding a news conference to discuss new legislation she is introducing to strengthen security at schools. >>> just days after the deadly shooting in connecticut an 11- year-old utah boy is facing charges after bringing a .22- caliber handgun to school. the sixth grader says he brought the gun to protect himself from a newtown-style attack. no one was injured in the incident but the boy is accused of waving the gun at three classmates during recess. the boy was booked into a juvenile detention center and has been charged with possession of a deadly weapon. >>> san francisco police say that they have found the money to cover the cost of the successful gun buy-back program that they held last weekend. after collecting 125 guns, the omega boys club had to hand out ious promising money. they still owe people $31,000. the chief